Ever wondered what life is like for medical workers treating Ebola patients? Or what sort of people volunteer for such hazardous duty? Davis Perkins is a paramedic, a former paratrooper and retired firefighter with a passion for landscape painting and overseas medical missions. He's just returned from Liberia, where he worked in an Ebola Treatment Unit (ETU). As Davis waited out his mandatory 21-day homecoming quarantine, we talked about his decision to go to the hot zone and what he experienced there.